Answer:
C.facilitated diffusion
Explanation:
Because it have some chemicals did you breathe from the person who using cigarettes.
A is the active site and C is the enzyme
Answer:they monitor it through a modern system machine, it's important because we need to know the population we have.
Explanation: which means are we increasing it reducing in our population
Peristalsis refers to the action of the involuntary muscle of the digestive track
Peristalsis involve a series of wave like muscle contraction that moves food to different processing station in the digestive tracts and it begins in the esophagus when bolus of food is swallowed. It involve involuntary movement of the longitudinal and circular muscle.
